Home / 9,915.66-14,869.62-3,588.75

Finding the Fourth Proportional to 9,915.66, 14,869.62 and 3,588.75

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Solution

The fourth proportional to 9,915.66, 14,869.62 and 3,588.75 is: 5,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.66 : 14,869.62 = 3,588.75 : x
  2. Step 2: Convert to fraction form
    9,915.66/14,869.62 = 3,588.75/x
  3. Step 3: Cross multiply
    9,915.66x = 14,869.62 × 3,588.75
  4. Step 4: Simplify right side
    9,915.66x = 53,363,348.78
  5. Step 5: Solve for x
    x = 53,363,348.78/9,915.66
  6. Step 6: Final answer
    x = 5,381.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.